Seller notes

Fits 1999 Polaris 440 XCR Hyvo Top Gear RAD Powersports ISO 9902 certified facility using the latest technology. Made with heat-treated, case-hardened machine steel. High-quality construction means gears have proper fitment and maximum efficiency. RAD Powersports Hyvo gears for Polaris and Yamaha. Use 3/4in. Hyvo top and bottom gears. Will not interchange with any previous model or style. Must be used with Hyvo chain....

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